CBSE Class 10 Answered
solve the equation for x and y
Asked by shobhitdc | 27 May, 2010, 11:48: AM
Expert Answer
x + y = 7
Multiply by 5,
5x + 5y = 35 ... (1)
5x + 12y = 7 .. (2)
Subtract (2) from (1),
-7y = 28
y = -4 and hence x = 7 - y = 7 - (-4) = 11,
x = 11, y = -4.
Regards,
Team,
TopperLearning.
Answered by | 27 May, 2010, 01:22: PM
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